0000806260-12-000004.txt : 20120213
0000806260-12-000004.hdr.sgml : 20120213
20120213110800
ACCESSION NUMBER: 0000806260-12-000004
CONFORMED SUBMISSION TYPE: SC 13G/A
PUBLIC DOCUMENT COUNT: 1
FILED AS OF DATE: 20120213
DATE AS OF CHANGE: 20120213
SUBJECT COMPANY:
COMPANY DATA:
COMPANY CONFORMED NAME: NORTHWESTERN CORP
CENTRAL INDEX KEY: 0000073088
STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC & OTHER SERVICES COMBINED [4931]
IRS NUMBER: 460172280
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G/A
SEC ACT: 1934 Act
SEC FILE NUMBER: 005-36015
FILM NUMBER: 12596215
BUSINESS ADDRESS:
STREET 1: 3010 W 69TH STREET
CITY: SIOUX FALLS
STATE: SD
ZIP: 57108
BUSINESS PHONE: 6059782908
MAIL ADDRESS:
STREET 1: 3010 W 69TH STREET
CITY: SIOUX FALLS
STATE: SD
ZIP: 57108
FORMER COMPANY:
FORMER CONFORMED NAME: NORTHWESTERN PUBLIC SERVICE CO
DATE OF NAME CHANGE: 19920703
FILED BY:
COMPANY DATA:
COMPANY CONFORMED NAME: MUNDER CAPITAL MANAGEMENT
CENTRAL INDEX KEY: 0000806260
IRS NUMBER: 383212521
STATE OF INCORPORATION: MI
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G/A
BUSINESS ADDRESS:
STREET 1: 480 PIERCE ST
CITY: BIRMINGHAM
STATE: MI
ZIP: 48009
BUSINESS PHONE: 2486479200
MAIL ADDRESS:
STREET 1: 480 PIERCE STREET
CITY: BIRMINGHAM
STATE: MI
ZIP: 48009
SC 13G/A
1
NorthwesternCorporation-a.txt
MUNDER FILING FOR NOTHWESTERN CORPORATION
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
SCHEDULE 13G
UNDER THE SECURITES EXCHANGE ACT OF 1934
(Amendment No. __3__)*
NorthWestern Corporation
(Name of Issuer)
Common Stock
--------------------------------------------------------------------------------
(Title of Class of Securities)
668074305
--------------------------------------------------------------------------------
(CUSIP Number)
12/31/2011
--------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information
which would alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities
Exchange Act of 1934 ("Act")or otherwise subject to the liabilities of
that section of the Act, but shall be subject to all other provisions of
the Act (however, see the Notes).
CUSIP No. 668074305 13G Page 2 OF 5 Pages
--------------------------------------------------------------------------------
1. NAMES OF REPORTING PERSONS
Munder Capital Management
-------------------------------------------------------------------------------
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(see instructions) (b) [ ]
--------------------------------------------------------------------------------
3. SEC USE ONLY
--------------------------------------------------------------------------------
4. CITIZENSHIP OR PLACE OF ORGANIZATION
State of Delaware
--------------------------------------------------------------------------------
5. SOLE VOTING POWER
NUMBER OF 4,491,634
SHARES -----------------------------------------------------
BENEFICIALLY 6. SHARED VOTING POWER
OWNED BY
EACH 0
REPORTING -----------------------------------------------------
PERSON WITH 7. SOLE DISPOSITIVE POWER
4,674,328
-----------------------------------------------------
8. SHARED DISPOSITIVE POWER
0
--------------------------------------------------------------------------------
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,674,328
--------------------------------------------------------------------------------
10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES (SEE INSTRUCTIONS) [ ]
--------------------------------------------------------------------------------
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
4.6%
--------------------------------------------------------------------------------
12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA
--------------------------------------------------------------------------------
CUSIP No. 668074305 13G Page 3 OF 5 Pages
Item 1.
(a) Name of Issuer:
NorthWestern Corporation
(b) Address of Issuer's Principal Executive Offices:
3010 West 69th Street
Sioux Falls, South Dakota 57108
Item 2.
(a) Name of Person Filing:
Munder Capital Management ("Munder")
(b) Address of Principal Business Office:
Munder Capital Center
480 Pierce Street
Birmingham, MI 48009
(c) Citizenship:
Delaware
(d) Title of Class of Securities:
Common Stock
(e) CUSIP Number:
668074305
Item 3. If this statement is filed pursuant to 240.13d-1(b) or 240.13d-2(b)
or (c), check whether the person filing is a:
(e) [X] An investment adviser in accordance with 240.13d-1(b)(1)(ii)(E);
Item 4. Ownership
(a) Amount Beneficially Owned:
4,674,328 shares (the "Common Stock")
(b) Percent of Class:
4.6%
CUSIP No. 668074305 13G Page 4 OF 5 Pages
(c) Number of shares as to which such person has:
(i) sole power to vote or direct the vote: 4,491,634
(ii) shared power to vote or direct the vote: 0
(iii) sole power to dispose or to direct the disposition of: 4,674,328
(iv) shared power to dispose or direct the disposition of: 0
Item 5. Ownership of Five Percent or Less of a Class
If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [X].
Item 6. Ownership of More than Five Percent on Behalf of Another Person
Not Applicable.
Item 7. Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on by the Parent Holding Company
Not Applicable.
Item 8. Identification and Classification of Members of the Group
Not Applicable.
Item 9. Notice of Dissolution of Group
Not Applicable.
Item 10. Certification
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired and are held in the ordinary
course of business and were not acquired and are not held for the purpose
of or with the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in connection with
or as a participant in any transaction having that purpose or effect.
CUSIP No. 668074305 13G Page 5 OF 5 Pages
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true,
complete and correct.
February 9, 2011
MUNDER CAPITAL MANAGEMENT,
a Delaware general partnership
By: /s/ Mary Ann C. Shumaker
Associate General Counsel